# Pill Fortress vs Evolvace E3

The clearest difference is price: Pill Fortress at Free against Evolvace E3's $4.99. Pill Fortress also leads on update cadence (every 2 weeks vs every 10 months). Evolvace E3's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Pill Fortress is free to download; Evolvace E3 costs $4.99 up front. Pill Fortress sells 14 one-off in-app purchases and Evolvace E3 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pill Fortress ships an update every 2 weeks, Evolvace E3 every 10 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Pill Fortress | Evolvace E3 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.6 (3.3K ratings)](https://appshunter.io/ios/app/pill-fortress/id6477394168/reviews)** | — |
| Number of ratings | **3.3K** | — |
| Positive reviews | 33.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 323 MB | 81 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Tetsuyoshi Morikawa](https://appshunter.io/developer/430144969) |

## What reviewers say

### Pill Fortress

[App page](https://appshunter.io/ios/app/pill-fortress/id6477394168)

Defend your fortress against waves of viruses in this immune-themed base defense game. Strategically place and upgrade unique pill defenders to overcome evolving viral threats. Enjoy kid-friendly gameplay with vibrant 2D graphics.

**Highlights:** Dynamic pill placement, Evolving viral threats, Unlock new pill characters, Vibrant 2D graphics, Strategic upgrades

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Very Small Nucleus Pack | $0.99 | one-time |
| Small Nucleus Pack | $2.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Perma Speed Up | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| Medium Nucleus Pack | $5.99 | one-time |
| Equipment Pack | $7.99 | one-time |
| Perma Boosts | $7.99 | one-time |
| Plasma Waves Pill | $8.99 | one-time |
| Skills Tickets | $9.99 | one-time |
| Skills Pack | $9.99 | one-time |
| Big Nucleus Pack | $9.99 | one-time |
| Gigantic Nucleus Pack | $24.99 | one-time |
| Instant Video Rewards | $29.99 | one-time |

**What reviewers like**

- 🚀 Fun gameplay
- 👍 Decent progression system
- 💡 Unique pill mechanics

**What reviewers complain about**

- 🔍 Excessive ads
- 🔒 Forced online requirement
- 🐛 Bugs and crashes
- 💰 Monetization issues

**Reported bugs**

- Freezing during battles
- Progression loss on crashes
- Targeting/tracking issues
- Unresponsive ad screens

**Requested features**

- Offline mode
- More pill variety
- Improved boss difficulty
- Customizable controls
- Endless/challenge modes


### Evolvace E3

[App page](https://appshunter.io/ios/app/evolvace-e3/id6478918207)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Addition | $0.99 | one-time |


## Frequently asked questions

### Is Pill Fortress free?

Pill Fortress is free to download, with in-app purchases available.

### Is Evolvace E3 free?

Evolvace E3 costs $4.99, and also offers in-app purchases.

### Do Pill Fortress or Evolvace E3 have ads?

Pill Fortress shows ads; Evolvace E3 does not.

### Which is updated more often, Pill Fortress or Evolvace E3?

Pill Fortress ships an update every 2 weeks, and Evolvace E3 every 10 months. Most recently, Pill Fortress was updated on October 30, 2026 and Evolvace E3 on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*